/*HEADER**********************************************************************
*
* Copyright 2008 Freescale Semiconductor, Inc.
* Copyright 2004-2008 Embedded Access Inc.
* Copyright 1989-2008 ARC International
*
* This software is owned or controlled by Freescale Semiconductor.
* Use of this software is governed by the Freescale MQX RTOS License
* distributed with this Material.
* See the MQX_RTOS_LICENSE file distributed for more details.
*
* Brief License Summary:
* This software is provided in source form for you to use free of charge,
* but it is not open source software. You are allowed to use this software
* but you cannot redistribute it or derivative works of it in source form.
* The software may be used only in connection with a product containing
* a Freescale microprocessor, microcontroller, or digital signal processor.
* See license agreement file for full license terms including other
* restrictions.
*****************************************************************************
*
* Comments:
*
*   This file contains the function that initializes the I/O 
*   sub-system.
*
*
*END************************************************************************/

#include "mqx_cnfg.h"
#if MQX_USE_IO_OLD

#include "mqx_inc.h"
#include "fio.h"
#include "fio_prv.h"
#include "io.h"
#include "io_prv.h"

/*FUNCTION*-------------------------------------------------------------------
* 
* Function Name    : _io_init
* Returned Value   : _mqx_uint MQX_OK or a MQX error code
* Comments         :
*   Initializes the kernel I/O subsystem
*
*END*----------------------------------------------------------------------*/

_mqx_uint _io_init
   (
      void
   )
{ /* Body */
   KERNEL_DATA_STRUCT_PTR kernel_data;

   _GET_KERNEL_DATA(kernel_data);
   _QUEUE_INIT(&kernel_data->IO_DEVICES, 0);
   return (_lwsem_create((LWSEM_STRUCT_PTR)&kernel_data->IO_LWSEM, 1));

} /* Endbody */

#endif // MQX_USE_IO_OLD
